行业组件数据 · 2026

测试按钮

Manual activation button for grounding verification testing in electrical equipment

技术定义与适配语境
典型 测试按钮 会按材料、尺寸公差、适配关系和失效风险在 电气设备制造 中评估。

A push-button switch component specifically designed for initiating grounding continuity and resistance tests in electrical machinery and equipment. This component provides manual control for safety verification procedures to ensure proper electrical grounding according to international safety standards.

组件规格

定义
A push-button switch component specifically designed for initiating grounding continuity and resistance tests in electrical machinery and equipment. This component provides manual control for safety verification procedures to ensure proper electrical grounding according to international safety standards.
工作原理
When depressed, the test button completes an electrical circuit that sends a low-current test signal through the grounding path. The system measures the resistance and continuity of the grounding connection, comparing it against preset safety thresholds. The button typically includes a momentary contact mechanism that returns to the open position when released.
材料
Button housing: UL94 V-0 rated flame-retardant plastic (typically PBT or polycarbonate)Contact mechanism: Silver-plated copper alloy contactsSpring: Stainless steel 316Actuator: UV-resistant ABS plastic with tactile feedback surface
IP Rating
IP65
Current Rating
5A max
Voltage Rating
250V AC/DC
Mechanical Life
>100,000 cycles
Operating Force
3-5N
Travel Distance
3-5mm
Contact Resistance
<50mΩ
Insulation Resistance
>100MΩ at 500VDC
Operating Temperature
-20°C to +70°C
标准
ISO 13849-1IEC 60947-5-1UL 508DIN EN 60947-5-1

行业分类与别名

测试按钮 的常用贸易名称、技术标识和检索关键词。

上级产品

该组件会出现在以下整机或工业产品中。

FMEA · 风险与缓解

诱因 → 失效模式 → 工程缓解

Contact corrosion or contamination->Increased contact resistance leading to false test results->Regular cleaning with contact cleaner, use of sealed contact design
Spring fatigue or breakage->Button fails to return to open position->Use of high-cycle life springs, regular mechanical testing
Plastic housing degradation->Loss of insulation properties->Use of UV-resistant and flame-retardant materials, regular visual inspection

工业生态与工程逻辑

0
Electrical shock hazard if grounding fails
1
False safety indication if test circuit malfunctions
2
Button mechanical failure preventing proper testing

合规与检测

tolerance
Grounding resistance must be ≤1.0 ohm for equipment under 100A, ≤0.5 ohm for equipment over 100A
test method
Low-current injection method (typically 25A max) with resistance measurement, performed with equipment disconnected from power source

制造该组件的工厂

来自 CNFX 组件能力表的相关制造商资料。

制造商列表用于前期研究和供应商能力理解,不代表认证、排名或交易担保。

采购评估维度

不是客户评论,也不是实时热度。以下维度用于前期 RFQ 准备和供应商评估。

技术文档
4/5
制造能力
4/5
可检验性
5/5
供应商透明度
3/5

这些分值是采购评估维度示例,不代表真实客户评分、具体国家买家反馈或实时询盘。

相关组件

常见问题

What is the purpose of a grounding verification test button?

The test button allows operators to manually initiate grounding continuity and resistance tests to verify that electrical equipment is properly grounded for safety compliance.

How often should grounding verification tests be performed?

According to safety standards, grounding verification should be performed before initial use, after any maintenance or repair, and at regular intervals as specified by equipment manufacturers (typically every 6-12 months).

What happens if the grounding test fails?

If the test indicates inadequate grounding (typically resistance above 1 ohm), the equipment should be immediately taken out of service until the grounding connection is repaired and verified.

我可以直接联系工厂吗?

CNFX 是开放目录,不是交易平台或采购代理。工厂资料和表单用于帮助你准备直接沟通。

CNFX Industrial Component Index · 电气设备制造

数据基础

CNFX 制造商资料、技术分类、公开产品信息和持续合理性检查。

初步技术归类
本页用于结构化准备研究、RFQ 和供应商评估,不替代买方自己的供应商资质审查、标准核验和技术批准。

请求制造能力信息: 测试按钮

说明目标数量、应用场景、交期和关键技术要求,用于准备 RFQ 或供应商评估。

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URN:CNFX:ME:UNIT:TEST_BUTTON